To qualify for this clinical trial you must be:
•Male and Female subjects ≥18 years of age
•Diagnosis of Chronic Refractory Cough or unexplained cough for at least 1 year prior to Screening
•Able to understand and comply with the requirements of the study and sign Informed Consent forms

Qualified Participants Receive:
•Study medication and compensation for time and travel are provided to participants during the trial